A total of 12 vehicles are slated to cross the block as part of the Atzbach Indy 2020 auction offering, and the group encompasses nine other incredibly rare Shelby Mustangs—including the only production factory supercharged 1965 GT350, the first production 1966 GT350, a factory supercharged 1966 GT350, the first 1966 GT350 convertible and the final 1970 Shelby GT350.
Auction: Mecum Indy 2020
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